Bridgeport C-69 3-1/2 IN C Rigid Conduit Body, Box of 1
https://nsiindustries.com/product/type-c-rigid-conduit-body-3-1-2-malleable-iron-npt-threads/
Bridgeport Type C rigid conduit bodies allow access to the interior of a conduit system for inspection, pulling and routine maintenance. Threaded Type C conduit bodies are used for applications with rigid and intermediate metal conduit.